parameters

问题 I am trying to use Dapper support my data access for my server app. My server app has another application that drops records into my database at a rate of 400 per minute. My app pulls them out in batches, processes them, and then deletes them from the database. Since data continues to flow into the database while I am processing, I don't have a good way to say delete from myTable where allProcessed = true . However, I do know the PK value of the rows to delete. So I want to do a delete from

问题 I am trying to use Dapper support my data access for my server app. My server app has another application that drops records into my database at a rate of 400 per minute. My app pulls them out in batches, processes them, and then deletes them from the database. Since data continues to flow into the database while I am processing, I don't have a good way to say delete from myTable where allProcessed = true . However, I do know the PK value of the rows to delete. So I want to do a delete from

问题 This situation often I met when my query is too long. I have defined parameter @no_registrasi, but it still error. MySql.Data.MySqlClient.MySqlException: Fatal error encountered during command execution. ---> MySql.Data.MySqlClient.MySqlException: Parameter '@no_registrasi' must be defined. Here is my code: void Tombol_cari_simpanan1Click(object sender, EventArgs e) { string connectionString = "Server=localhost;User ID=root;Password=;Database=koperasi;Convert Zero Datetime=True;"; MySql.Data

问题 How do I pass a parameter from a page's useBean in JSP to a servlet in Java? I have some data in a form that gets passed no problem with a submit button, but no way to send anything else. Please help? Here is my code: <input name = "deleteGameButton" type = "submit" value = "Delete" onclick = "submitToServlet('DeleteGameServlet');"> Here is the corresponding javascript: function submitToServlet(newAction) { document.userGameForm.action = newAction; } I'd like the servlet to have access to

问题 I need to send a particular parameters to Servlet from JSP page. E.g: if I click on the Facebook icon on the web page, then I should send "facebook" as parameter to my Servlet and my Servlet will respond according to the parameter received from JSP file or HTML file. 回答1: Just wrap the icon in a link with a query string like so <a href="servleturl?name=facebook"><img src="facebook.png" /></a> In the doGet() method of the servlet just get and handle it as follows String name = request

问题 I'm approaching to Metro App world in this days, please be gentle. Here's the problem: a page receives a string from another page protected override void OnNavigatedTo(NavigationEventArgs e) { Title.Text = e.Parameter.ToString(); } and I need to pass this string to an User Control of the receiving page. How can I pass a parameter from a page to an UserControl of another page? 回答1: Like this: Add a property to your user control: public string MyText { get; set; } Give your user control a name.

问题 Question: I want to write an function to print an array from mth element to nth element where m<=n and if a is an array then function calling should looks like print(a+m,a+n). Noow what should be the user defined function for this case? #include <stdio.h> #include <iostream> using namespace std; /* It may be ok or not. If not then what program should write? */ void print(int a[], int n) { for(int i=0;; ++i){ if(a[i] == a[n]) break; printf("%d ",a[i]); } } int main() { int a[6] = {1,3,5,6,8,2}

问题 What I used to have: Public Sub Subscribe(channel As ChannelType) Public Sub Subscribe(channels As IEnumerable(Of ChannelType)) The first one just calls the second one with {channel} to convert its parameter into an array. I decided that having to create a list of channels to pass to the method was awkward and chose to combine the two overloads into one method that takes a ParamArray . Public Sub Subscribe(ParamArray channels() As ChannelType) 'Usage Subscribe(ChannelType.News) Subscribe

问题 What I used to have: Public Sub Subscribe(channel As ChannelType) Public Sub Subscribe(channels As IEnumerable(Of ChannelType)) The first one just calls the second one with {channel} to convert its parameter into an array. I decided that having to create a list of channels to pass to the method was awkward and chose to combine the two overloads into one method that takes a ParamArray . Public Sub Subscribe(ParamArray channels() As ChannelType) 'Usage Subscribe(ChannelType.News) Subscribe

问题 I found a program which uses different parameters in function prototyping and declaring, so I made a basic program. #include <iostream> using namespace std; void add(int a, int b); int main() { add(3,4); } void add(int c, int d){ int e = c + d; cout << e << endl; } I run this program and it works. Does that mean it isn't necessary to same parameter name in both "function prototyping" and in "function declaring"? 回答1: Yes, the name of parameters used in declaration and definition doesn't have